Related by context. Frequent words. (Click for all words.) 55 submarine 53 HMS Vanguard 53 warship 53 HMAS Sydney 52 ballistic missile submarine 51 Pong Su 51 Aegis destroyer 50 vessel 50 Kormoran 50 HMAS 49 naval vessel 48 naval destroyer 48 fishing trawler 48 whaling vessel 48 torpedo tubes 48 torpedos 48 destroyer escort 47 navy warship 47 Lagarto 47 trawler 47 troopship 47 USS Hornet 47 missile frigates 47 SIEV 46 crewmen aboard 46 gunboat 46 frogmen 46 submarines 46 Aegis radar 46 steel hulled 46 conning tower 45 ship hull 45 Warship 45 Varyag 45 inflatable dinghy 45 sunken vessel 45 ballistic missile submarines 45 Dornier aircraft 45 navy diver 45 HMS Astute 45 sunken ship 45 destroyer 45 minesweeper 45 missile frigate 45 speargun 45 Liberian flagged 44 naval frigate 44 fishing boat 44 Sea Shepherd vessel 44 Bulava missile 44 ship 44 Oyang 44 dinghy 44 powered submarines 44 cargo ship 44 freighter 44 Navy warship 44 battleship 44 boat moored 44 minesweeping 44 crewmen 44 liferaft 43 submersible 43 speedboat 43 Coastguard helicopter 43 sampan 43 spaceplane 43 HMS Daring 43 torpedo 43 battleships 43 Submarine 43 robotic submarine 43 HMAS Kanimbla 43 mine sweepers 43 powered submarine 43 HMS Illustrious 43 intercontinental missile 43 yachtie 43 Panamanian flagged 43 Scapa Flow 43 sailor 43 Trawler 43 dirigible 43 Nerpa 43 Galileo spacecraft 43 Puma helicopter 43 Taepodong missile 43 navy 43 tidal turbine 42 boat 42 incendiary bombs 42 Bikini Atoll 42 Landing Ship 42 Trident submarine 42 HMCS Chicoutimi 42 vessels 42 Kanimbla 42 frigate 42 Grunion 42 Pearl Harbour 42 Pacific atoll